{"id":293491,"date":"2023-07-17T23:12:23","date_gmt":"2023-07-17T23:12:23","guid":{"rendered":"\/forum\/forums\/reply\/293491\/"},"modified":"2023-07-17T23:12:23","modified_gmt":"2023-07-17T23:12:23","slug":"293491","status":"publish","type":"reply","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/293491\/","title":{"rendered":"Reply To: Wave propagation in composites"},"content":{"rendered":"<p>\t\t\t\t\t\t\t\t\t\tAs an experiment, change the *MAT_ORTHOTROPIC_ELASTIC input so the material properties in the 3 orthotropic directions (for example, EA, EB, and EC) are equal.   This should constitute an isotropic material.  If the 2D and 3D results are then in agreement, that almost certainly confirms your material directions are incorrect in the 2D model.   I hope that makes sense.<\/p>\n","protected":false},"template":"","class_list":["post-293491","reply","type-reply","status-publish","hentry"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 4.9.10 - aioseo.com -->\n\t<meta name=\"description\" content=\"As an experiment, change the *MAT_ORTHOTROPIC_ELASTIC input so the material properties in the 3 orthotropic directions (for example, EA, EB, and EC) are equal. This should constitute an isotropic material. If the 2D and 3D results are then in agreement, that almost certainly confirms your material directions are incorrect in the 2D model. I hope\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<link rel=\"canonical\" href=\"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/293491\/\" \/>\n\t<meta name=\"generator\" content=\"All in One SEO (AIOSEO) 4.9.10\" \/>\n\t\t<meta property=\"og:locale\" content=\"en_US\" \/>\n\t\t<meta property=\"og:site_name\" content=\"Ansys Learning Forum | Ansys Innovation Space\" \/>\n\t\t<meta property=\"og:type\" content=\"article\" \/>\n\t\t<meta property=\"og:title\" content=\"Reply To: Wave propagation in composites | Ansys Learning Forum\" \/>\n\t\t<meta property=\"og:description\" content=\"As an experiment, change the *MAT_ORTHOTROPIC_ELASTIC input so the material properties in the 3 orthotropic directions (for example, EA, EB, and EC) are equal. This should constitute an isotropic material. If the 2D and 3D results are then in agreement, that almost certainly confirms your material directions are incorrect in the 2D model. I hope\" \/>\n\t\t<meta property=\"og:url\" content=\"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/293491\/\" \/>\n\t\t<meta property=\"article:published_time\" content=\"2023-07-17T23:12:23+00:00\" \/>\n\t\t<meta property=\"article:modified_time\" content=\"2023-07-17T23:12:23+00:00\" \/>\n\t\t<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n\t\t<meta name=\"twitter:title\" content=\"Reply To: Wave propagation in composites | Ansys Learning Forum\" \/>\n\t\t<meta name=\"twitter:description\" content=\"As an experiment, change the *MAT_ORTHOTROPIC_ELASTIC input so the material properties in the 3 orthotropic directions (for example, EA, EB, and EC) are equal. This should constitute an isotropic material. If the 2D and 3D results are then in agreement, that almost certainly confirms your material directions are incorrect in the 2D model. I hope\" \/>\n\t\t<script type=\"application\/ld+json\" class=\"aioseo-schema\">\n\t\t\t{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/forums\\\/reply\\\/293491\\\/#breadcrumblist\",\"itemListElement\":[{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum#listItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\",\"nextItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/forums\\\/reply\\\/293491\\\/#listItem\",\"name\":\"Reply To: Wave propagation in composites\"}},{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/forums\\\/reply\\\/293491\\\/#listItem\",\"position\":2,\"name\":\"Reply To: Wave propagation in composites\",\"previousItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum#listItem\",\"name\":\"Home\"}}]},{\"@type\":\"Organization\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/#organization\",\"name\":\"Ansys Learning Forum\",\"description\":\"Ansys Innovation Space\",\"url\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/\"},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/forums\\\/reply\\\/293491\\\/#webpage\",\"url\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/forums\\\/reply\\\/293491\\\/\",\"name\":\"Reply To: Wave propagation in composites | Ansys Learning Forum\",\"description\":\"As an experiment, change the *MAT_ORTHOTROPIC_ELASTIC input so the material properties in the 3 orthotropic directions (for example, EA, EB, and EC) are equal. 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This should constitute an isotropic material. If the 2D and 3D results are then in agreement, that almost certainly confirms your material directions are incorrect in the 2D model. I hope","canonical_url":"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/293491\/","robots":"max-image-preview:large","keywords":"","webmasterTools":{"miscellaneous":""},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"BreadcrumbList","@id":"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/293491\/#breadcrumblist","itemListElement":[{"@type":"ListItem","@id":"https:\/\/innovationspace.ansys.com\/forum#listItem","position":1,"name":"Home","item":"https:\/\/innovationspace.ansys.com\/forum","nextItem":{"@type":"ListItem","@id":"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/293491\/#listItem","name":"Reply To: Wave propagation in composites"}},{"@type":"ListItem","@id":"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/293491\/#listItem","position":2,"name":"Reply To: Wave propagation in composites","previousItem":{"@type":"ListItem","@id":"https:\/\/innovationspace.ansys.com\/forum#listItem","name":"Home"}}]},{"@type":"Organization","@id":"https:\/\/innovationspace.ansys.com\/forum\/#organization","name":"Ansys Learning Forum","description":"Ansys Innovation Space","url":"https:\/\/innovationspace.ansys.com\/forum\/"},{"@type":"WebPage","@id":"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/293491\/#webpage","url":"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/293491\/","name":"Reply To: Wave propagation in composites | Ansys Learning Forum","description":"As an experiment, change the *MAT_ORTHOTROPIC_ELASTIC input so the material properties in the 3 orthotropic directions (for example, EA, EB, and EC) are equal. 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This should constitute an isotropic material. If the 2D and 3D results are then in agreement, that almost certainly confirms your material directions are incorrect in the 2D model. I hope","og:url":"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/293491\/","article:published_time":"2023-07-17T23:12:23+00:00","article:modified_time":"2023-07-17T23:12:23+00:00","twitter:card":"summary_large_image","twitter:title":"Reply To: Wave propagation in composites | Ansys Learning Forum","twitter:description":"As an experiment, change the *MAT_ORTHOTROPIC_ELASTIC input so the material properties in the 3 orthotropic directions (for example, EA, EB, and EC) are equal. This should constitute an isotropic material. If the 2D and 3D results are then in agreement, that almost certainly confirms your material directions are incorrect in the 2D model. 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